Cryptology ePrint Archive: BibTeX Citation of Report 2015/365

@misc{cryptoeprint:2015:365,
    author = {Masoumeh Safkhani, Mehdi Hosseinzadeh, Mojtaba Eslamnezhad Namin, Samad Rostampour, Nasour Bagheri},
    title = {On the (im)possibility of receiving security beyond 2^l using an l-bit PRNG: the case of Wang et. al. protocol},
    howpublished = {Cryptology ePrint Archive, Report 2015/365},
    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.