@misc{cryptoeprint:2010:148,
author = {Yalin Chen, Jue-Sam Chou, Chun-Hui Huang},
title = {Comments on five smart card based password authentication protocols},
howpublished = {Cryptology ePrint Archive, Report 2010/148},
year = {2010},
note = {\url{https://ia.cr/2010/148}},
}
You will need the url.sty package (comes with most LaTeX installations) for the last line. Otherwise, remove the \url command.