Cryptology ePrint Archive: BibTeX Citation of Report 2004/193

@misc{cryptoeprint:2004:193,
    author = {David A. McGrew and John Viega},
    title = {The Security and Performance of the Galois/Counter Mode of Operation (Full Version)},
    howpublished = {Cryptology ePrint Archive, Report 2004/193},
    year = {2004},
    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.