@misc{cryptoeprint:2013:548,
    author = {Koh-ichi Nagao},
    title = {Decomposition formula of the Jacobian group of plane curve},
    howpublished = {Cryptology ePrint Archive, Report 2013/548},
    year = {2013},
    url = {https://eprint.iacr.org/2013/548},
}