@misc{cryptoeprint:2010:078,
author = {Xin-jie ZHAO and Tao WANG and Jing-zhe GAO},
title = {Multiple Bytes Differential Fault Analysis on CLEFIA},
howpublished = {Cryptology ePrint Archive, Report 2010/078},
year = {2010},
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.