Cryptology ePrint Archive: BibTeX Citation of Report 2010/537

@misc{cryptoeprint:2010:537,
    author = {Yongzhuang Wei and Jiqiang Lu and Yupu Hu},
    title = {Meet-in-the-Middle Attack on 8 Rounds of the AES Block Cipher under 192 Key Bits},
    howpublished = {Cryptology ePrint Archive, Report 2010/537},
    year = {2010},
    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.