The 2014 diversity lottery program will begin at noon (Eastern Daylight Time), Tuesday, October 2nd and end at noon (Eastern Daylight Time), Saturday, November 3, 2012. The application is entirely online. Paper applications will not be accepted. Visit the following link from the U.S. State Department for further information.
You can also read a bit more about what the DV lottery is by visiting this previous blog post on the subject. https://usavisaimmigration.com/2011/09/26/diversity-visa-program-begins-october-4-2011/ Also, beware of internet scams regarding the DV lottery. The State Department has a very good page dedicated to DV lottery internet scams and how to avoid them. The following link will take you there: