The department of State has posted instructions FOR THE 2014 DIVERSITY IMMIGRANT VISA PROGRAM (DV-2014) - "Entries for the DV-2014 DV program must be submitted electronically between noon, Eastern Daylight Time (EDT) (GMT-4), Tuesday, October 2, 2012, and noon, Eastern Daylight Time (EDT) (GMT-4), Saturday, November 3, 2012. Applicants may access the electronic DV Entry Form (E-DV) at www.dvlottery.state.gov during the registration period. Paper entries will not be accepted. Entry is free for qualified applicants. We strongly encourage applicants 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, EDT, on November 3, 2012."
You can read the full instructions here docs/DV_2014_Instructions.pdf
