Cryptology ePrint Archive: BibTeX Citation of Report 2015/302

@misc{cryptoeprint:2015:302,
    author = {Reza Reyhanitabar and Serge Vaudenay and Damian Vizár},
    title = {Boosting OMD for Almost Free Authentication of Associated Data},
    howpublished = {Cryptology ePrint Archive, Report 2015/302},
    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.