Anandakanda 1.3.37

1.3.37

namo'ntaṃ manumuccārya nyāsaṃ bījākṣareṇa ca /
chandaḥ paṅktirmunirjñeyo bhṛgurdevaśca bhairavaḥ //

having uttered the mantra ending in 'namaḥ', and nyāsa [performed] with the seed syllable; / the meter is Paṅkti, the sage is to be known as Bhṛgu, and the deity is Bhairava.