%% You should probably cite rfc1933 instead of this I-D.
@techreport{ietf-ngtrans-trans-mech-01,
    number =    {draft-ietf-ngtrans-trans-mech-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-ngtrans-trans-mech/01/},
    author =    {Erik Nordmark and Robert E. Gilligan},
    title =     {{Transition Mechanisms for IPv6 Hosts and Routers}},
    pagetotal = 22,
    year =      1995,
    month =     may,
    day =       15,
    abstract =  {This document specifies IPv4 compatibility mechanisms that can be implemented by IPv6 hosts and routers. {[}STANDARDS-TRACK{]}},
}