Shiva Purana
वाहनत्वमनुप्राप्तस्तपसा परमेशयोः ॥ तयोराज्ञां पुरस्कृत्य स मे कामं प्रयच्छतु ॥ १४३ ॥
By his austerities he attained the status of a carrier for the two Supreme Lords. May he fulfill their commands and grant me my desire.
english translation
vAhanatvamanuprAptastapasA paramezayoH ॥ tayorAjJAM puraskRtya sa me kAmaM prayacchatu ॥ 143 ॥
hk transliteration by Sanscript