The Congressionally mandated Diversity Immigrant Visa Program makes available 50,000 diversity visas (DV) annually, drawn from random selection among all entries to persons who meet strict eligibility requirements from countries with low rates of immigration to the United States.
DV Lottery 2012 Online Registration
The online registration for DV-2012 DV Lottery begins noon, Eastern Daylight Time (EDT) (GMT -4), Tuesday, October 5, 2010, and ends noon, Eastern Daylight Time (EDT) (GMT -4), Wednesday, November 3, 2010. All entries must be submitted electronically during the registration period, when applicants may access the Electronic DV Entry Form DS-5501 at http://www.dvlottery.state.gov. Paper entries will not be accepted.
Applicants are strongly encouraged not to wait until the last week of the registration period to enter. Heavy demand may result in website delays. No entries will be accepted after noon, EST, on November 3, 2010.
Wikipedia: http://en.wikipedia.org/wiki/Diversity_Immigrant_Visa (covers winning chances and other info)
Note: The above is presented for informational purposes only. I do not encourage my countrymen to emigrate, especially during this acute brain-drain crisis our country is facing right now. I, however, do believe that the decision where to reside during your adult life is your personal choice, and this important decision-making process would be enhanced by obtaining proper information.