@misc{cryptoeprint:2010:622,
author = {Qunxiong Zheng and Wenfeng Qi},
title = {A new result on the distinctness of primitive sequences over Z(pq) modulo 2},
howpublished = {Cryptology ePrint Archive, Report 2010/622},
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.