Cryptology ePrint Archive: BibTeX Citation of Report 2015/484

@misc{cryptoeprint:2015:484,
    author = {Ritam Bhaumik and Avijit Dutta and Jian Guo and J\'{e}r\'{e}my Jean and Nicky Mouha and Ivica Nikoli\'{c}},
    title = {More Rounds, Less Security?},
    howpublished = {Cryptology ePrint Archive, Report 2015/484},
    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.