Cryptology ePrint Archive: BibTeX Citation of Report 2004/295

    author       = {Jiang Wu and
		    Ruizhong Wei},
    title        = {An Access Control Scheme for Partially Ordered Set Hierarchy with Provable Security},
    howpublished = {Cryptology ePrint Archive, Report 2004/295},
    year         = {2004},
    note         = {\url{}},

You will need the url.sty package (comes with most LaTeX installations) for the last line. Otherwise, remove the \url command.

[ Cryptology ePrint archive ]