Cryptology ePrint Archive: BibTeX Citation of Report 2014/386

@misc{cryptoeprint:2014:386,
    author = {Nicky Mouha and Bart Mennink and Anthony Van Herrewege and Dai Watanabe and Bart Preneel and Ingrid Verbauwhede},
    title = {Chaskey: An Efficient MAC Algorithm for 32-bit Microcontrollers},
    howpublished = {Cryptology ePrint Archive, Report 2014/386},
    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.