%% You should probably cite draft-ietf-enum-enumservices-transition instead of this I-D.
@techreport{hoeneisen-enum-enumservices-transition-01,
    number =    {draft-hoeneisen-enum-enumservices-transition-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-hoeneisen-enum-enumservices-transition/01/},
    author =    {Bernie Hoeneisen and Alexander Mayrhofer},
    title =     {{Update of legacy IANA Registrations of Enumservices}},
    pagetotal = 21,
    year =      2008,
    month =     may,
    day =       20,
    abstract =  {This document specifies a revision of all Enumservices that have been registered at IANA under the nowadays obsolete regime of {[}RFC3761{]}. It mainly adds the new fields to the IANA Registration Template as specified in {[}I-D.ietf-enum-enumservices-guide{]}, and makes at the same time some corrections of editorial nature.},
}