Cryptology ePrint Archive: BibTeX Citation of Report 2014/277

@misc{cryptoeprint:2014:277,
    author = {Lin Ding and Chenhui Jin and Jie Guan and Chuanda Qi},
    title = {New Treatment of the BSW Sampling and Its Applications to Stream Ciphers},
    howpublished = {Cryptology ePrint Archive, Report 2014/277},
    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.