%% You should probably cite rfc6867 instead of this I-D.
@techreport{nir-ipsecme-erx-02,
    number =    {draft-nir-ipsecme-erx-02},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-nir-ipsecme-erx/02/},
    author =    {Yoav Nir},
    title =     {{An IKEv2 Extension for Supporting ERP}},
    pagetotal = 7,
    year =      ** No value found for 'doc.pub_date.year' **,
    month =     ** No value found for 'doc.pub_date' **,
    day =       ** No value found for 'doc.pub_date.day' **,
    abstract =  {This document describes an extension to the IKEv2 protocol that allows an IKE Security Association (SA) to be created and authenticated using the EAP Re-authentication Protocol extension as described in RFC 5296 and its bis document.},
}