After you visit the Auction URL you may type in your starting bid (minimum $69) and click "Place Starting Bid". You will then be prompted to sign up for a free NameJet account. The auction ends at approximately 12PM PST on the End Date. In order to bid over $2,500 you must become a NameJet verified bidder.
For information on how to get verified visit: http://www.namejet.com/Pages/VerifiedBidding.aspx
To view a complete list of upcoming auctions visit: http://www.namejet.com/featuredauctions/findyourdomainpremiums