@misc{cryptoeprint:2013:443,
    author = {Jiangxiao Zhang. Hua Guo. Zhoujun Li. Chang Xu},
    title = {Optimally Anonymous and Transferable Conditional E-cash},
    howpublished = {Cryptology ePrint Archive, Report 2013/443},
    year = {2013},
    url = {https://eprint.iacr.org/2013/443},
}