%% You should probably cite draft-ietf-l3vpn-end-system-06 instead of this revision.
@techreport{ietf-l3vpn-end-system-01,
    number =    {draft-ietf-l3vpn-end-system-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-ietf-l3vpn-end-system/01/},
    author =    {Pedro R. Marques and Luyuan Fang and Ping Pan and Amit Shukla and Maria Napierala and Dr. Nabil N. Bitar},
    title =     {{BGP-signaled end-system IP/VPNs.}},
    pagetotal = 21,
    year =      2013,
    month =     apr,
    day =       1,
    abstract =  {This document describes a solution in which the control plane protocol specified in BGP/MPLS IP VPNs {[}RFC4364{]} is used to provide a Virtual Network service to end-systems. These end-systems may be used to provide network services or may directly host end-to-end applications.},
}