@misc{cryptoeprint:2019:284,
    author = {Ai Ishida and Yusuke Sakai and Keita Emura and Goichiro Hanaoka and Keisuke Tanaka},
    title = {Proper Usage of the Group Signature Scheme in ISO/IEC 20008-2},
    howpublished = {Cryptology ePrint Archive, Report 2019/284},
    year = {2019},
    url = {https://eprint.iacr.org/2019/284},
}