%% You should probably cite rfc5454 instead of this I-D.
@techreport{ietf-mip4-dsmipv4-10,
    number =    {draft-ietf-mip4-dsmipv4-10},
    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-mip4-dsmipv4/10/},
    author =    {Vincent D. Park and George Tsirtsis and Hesham Soliman},
    title =     {{Dual-Stack Mobile IPv4}},
    pagetotal = 18,
    year =      2009,
    month =     jan,
    day =       15,
    abstract =  {This specification provides IPv6 extensions to the Mobile IPv4 protocol. The extensions allow a dual-stack node to use IPv4 and IPv6 home addresses as well as to move between IPv4 and dual stack network infrastructures. {[}STANDARDS-TRACK{]}},
}