@misc{cryptoeprint:2012:567,
author = {Claude Carlet and Jean-Luc Danger and Sylvain Guilley and Houssem Maghrebi},
title = {Leakage Squeezing of Order Two},
howpublished = {Cryptology ePrint Archive, Report 2012/567},
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.