Cryptology ePrint Archive: BibTeX Citation of Report 2015/037

@misc{cryptoeprint:2015:037,
    author = {Da-Zhi Sun and Zahra Ahmadian and Yue-Jiao Wang and Mahmoud Salmasizadeh and Mohammad Reza Aref},
    title = {Analysis and Enhancement of Desynchronization Attack on an Ultralightweight RFID Authentication Protocol},
    howpublished = {Cryptology ePrint Archive, Report 2015/037},
    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.