@misc{cryptoeprint:2014:444,
author = {Aanchal Malhotra and Sharon Goldberg },
title = {RPKI vs ROVER: Comparing the Risks of BGP Security Solutions},
howpublished = {Cryptology ePrint Archive, Report 2014/444},
year = {2014},
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.