Cryptology ePrint Archive: BibTeX Citation of Report 2013/327

@misc{cryptoeprint:2013:327,
    author = {Shenghui Su and Tao Xie and Shuwang Lv},
    title = {A Lightweight Hash Function Resisting Birthday Attack and Meet-in-the-middle Attack},
    howpublished = {Cryptology ePrint Archive, Report 2013/327},
    year = {2013},
    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.