@misc{cryptoeprint:2012:164,
author = {Morten Dahl, Chao Ning, Tomas Toft},
title = {On Secure Two-party Integer Division},
howpublished = {Cryptology ePrint Archive, Report 2012/164},
year = {2012},
note = {\url{http://eprint.iacr.org/}},
}
You will need the url.sty package (comes with most LaTeX installations) for the last line. Otherwise, remove the \url command.