%% You should probably cite rfc7598 instead of this I-D.
@techreport{ietf-softwire-map-dhcp-02,
    number =    {draft-ietf-softwire-map-dhcp-02},
    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-dhcp/02/},
    author =    {Tomek Mrugalski and Ole Trøan and Congxiao Bao and Wojciech Dec and Leaf Yeh and Xiaohong Deng},
    title =     {{DHCPv6 Options for Mapping of Address and Port}},
    pagetotal = 22,
    year =      2013,
    month =     feb,
    day =       18,
    abstract =  {This document specifies DHCPv6 options for the provisioning of Mapping of Address and Port (MAP) Customer Edge (CE) devices, based on the MAP paramaters defined in {[}I-D.ietf-softwire-map{]}.},
}