%% You should probably cite rfc7705 instead of this I-D.
@techreport{ietf-idr-as-migration-04,
    number =    {draft-ietf-idr-as-migration-04},
    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-idr-as-migration/04/},
    author =    {Wesley George and Shane Amante},
    title =     {{Autonomous System Migration Mechanisms and Their Effects on the BGP AS\_PATH Attribute}},
    pagetotal = 16,
    year =      2015,
    month =     apr,
    day =       9,
    abstract =  {This draft discusses some commonly-used BGP mechanisms for ASN migration that are not formally part of the BGP4 protocol specification and may be vendor-specific in exact implementation. It is necessary to document these de facto standards to ensure that they are properly supported in future BGP protocol work.},
}