Cryptology ePrint Archive: BibTeX Citation of Report 2000/006

@misc{cryptoeprint:2000:006,
    author = {Tak-Ming Law  },
    title = {An Encryption Algorithm and Key-stream Generator for Chinese Text Messages by Character Internal Code Structure},
    howpublished = {Cryptology ePrint Archive, Report 2000/006},
    year = {2000},
    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.