%% You should probably cite draft-ietf-babel-v4viav6 instead of this I-D.
@techreport{bastian-babel-v4ov6-00,
    number =    {draft-bastian-babel-v4ov6-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-bastian-babel-v4ov6/00/},
    author =    {Theophile Bastian and Juliusz Chroboczek},
    title =     {{Announcing IPv4 routes with an IPv6 next-hop in the Babel routing protocol}},
    pagetotal = 7,
    year =      ,
    month =     ,
    day =       ,
    abstract =  {This document defines an extension to the Babel routing protocol that allows annoncing routes to an IPv4 prefix with an IPv6 next-hop, which makes it possible for IPv4 traffic to flow through interfaces that have not been assigned an IPv4 address.},
}