%% You should probably cite draft-ietf-lisp-gpe instead of this I-D.
@techreport{lewis-lisp-gpe-00,
    number =    {draft-lewis-lisp-gpe-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-lewis-lisp-gpe/00/},
    author =    {Darrel Lewis and Larry Kreeger and Paul Quinn and Michael Smith and Navindra Yadav},
    title =     {{LISP Generic Protocol Extension}},
    pagetotal = 13,
    year =      2013,
    month =     aug,
    day =       27,
    abstract =  {This draft describes a mechanism for adding generalized multi- protocol support to the Locator/ID Separation Protocol (LISP) {[}RFC6830{]}. Protocol identification is carried in the LISP header and is used to describe the encapsulated payload.},
}