@misc{cryptoeprint:2014:333,
    author = {Elisa Gorla and Maike Massierer},
    title = {An optimal representation for the trace zero subgroup},
    howpublished = {Cryptology ePrint Archive, Report 2014/333},
    year = {2014},
    url = {https://eprint.iacr.org/2014/333},
}