Neb. Rev. Stat. § 25-1132: Neb. Rev. Stat. § 25-1132

In all cases of reference, the parties, except when an infant may be a party, may agree upon a suitable person or persons, not exceeding three, and the reference shall be ordered accordingly; and if the parties do not agree, the court shall appoint one or more referees, not exceeding three, who shall be free from exception.