Cryptology ePrint Archive: BibTeX Citation of Report 2003/055

    author       = {Xiaofeng Chen and
		    Fangguo Zhang and
		    Yumin Wang},
    title        = {A New Approach to Prevent Blackmailing in E-Cash},
    howpublished = {Cryptology ePrint Archive, Report 2003/055},
    year         = {2003},
    note         = {\url{}},

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

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