%% You should probably cite rfc9305 instead of this I-D.
@techreport{ietf-lisp-gpe-04,
    number =    {draft-ietf-lisp-gpe-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-lisp-gpe/04/},
    author =    {Fabio Maino and John Lemon and Puneet Agarwal and Darrel Lewis and Michael Smith},
    title =     {{LISP Generic Protocol Extension}},
    pagetotal = 9,
    year =      2018,
    month =     jul,
    day =       20,
    abstract =  {This document describes extending the Locator/ID Separation Protocol (LISP) Data-Plane, via changes to the LISP header, to support multi- protocol encapsulation.},
}