%% You should probably cite rfc7451 instead of this I-D.
@techreport{ietf-eppext-reg-04,
    number =    {draft-ietf-eppext-reg-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-eppext-reg/04/},
    author =    {Scott Hollenbeck},
    title =     {{Extension Registry for the Extensible Provisioning Protocol}},
    pagetotal = 10,
    year =      2014,
    month =     may,
    day =       12,
    abstract =  {The Extensible Provisioning Protocol (EPP) includes features to add functionality by extending the protocol. It does not, however, describe how those extensions are managed. This document describes a procedure for the registration and management of extensions to EPP and it specifies a format for an IANA registry to record those extensions.},
}