Cryptology ePrint Archive: BibTeX Citation of Report 2014/453

@misc{cryptoeprint:2014:453,
    author = {Martin R. Albrecht and Benedikt Driessen and Elif Bilge Kavun and Gregor Leander and Christof Paar and Tolga Yalçın},
    title = {Block Ciphers - Focus On The Linear Layer (feat. PRIDE): Full Version},
    howpublished = {Cryptology ePrint Archive, Report 2014/453},
    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.