Cryptology ePrint Archive: BibTeX Citation of Report 2008/058

@misc{cryptoeprint:2008:058,
    author = {Thomas Eisenbarth and Timo Kasper and Amir Moradi and Christof Paar and Mahmoud Salmasizadeh and Mohammad T. Manzuri Shalmani},
    title = {Physical Cryptanalysis of KeeLoq Code Hopping Applications},
    howpublished = {Cryptology ePrint Archive, Report 2008/058},
    year = {2008},
    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.