OID value: 1.3.6.1.4.1.11591.15.1
OID description:
The Ed25519 curve. The specification is available at
http://ed25519.cr.yp.to/ed25519-20110926.pdf
DOI=a1a62a2f76d23f65d622484ddd09caf8
Note that this OID shall be used for the curve parameters but not for a specific encoding like EdDSA.
URL for further info: http://www.gnu.org/prep/standards/html_node/OID-Allocations.html
See also the OID Repository website reference for 1.3.6.1.4.1.11591.15.1