Cryptology ePrint Archive: BibTeX Citation of Report 2011/671

@misc{cryptoeprint:2011:671,
    author = {Ya Liu and Dawu Gu and Zhiqiang Liu and Wei Li and Ying Man},
    title = {Improved Results on Impossible Differential Cryptanalysis of Reduced-Round Camellia-192/256},
    howpublished = {Cryptology ePrint Archive, Report 2011/671},
    year = {2011},
    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.