@misc{cryptoeprint:2015:459,
author = {Bing Sun and Xin Hai and Wenyu Zhang and Lei Cheng and Zhichao Yang},
title = {New Observation on Division Property},
howpublished = {Cryptology ePrint Archive, Report 2015/459},
year = {2015},
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.