%% You should probably cite rfc7599 instead of this I-D.
@techreport{ietf-softwire-map-t-01,
    number =    {draft-ietf-softwire-map-t-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-softwire-map-t/01/},
    author =    {Xing Li and Congxiao Bao and Wojciech Dec and Ole Trøan and Satoru Matsushima and Tetsuya Murakami},
    title =     {{Mapping of Address and Port using Translation (MAP-T)}},
    pagetotal = 33,
    year =      2013,
    month =     feb,
    day =       18,
    abstract =  {This document specifies the "Mapping of Address and Port" double stateless NAT64 translation based solution (MAP-T) for providing shared or uniquely addressed IPv4 device connectivity to and across an IPv6 domain.},
}