pricelistl_security/res_users_view.xml

<?xml version="1.0"?>
<openerp>
    <data>
        <!-- Form -->
        <record id="view_journal_security_users_form" model="ir.ui.view">
            <field name="name">journal_security.users.form</field>
            <field name="model">res.users</field>
            <field name="inherit_id" ref="base.view_users_form"/>
            <field name="arch" type="xml">
                <group string="Allowed Companies" position="before">
                    <group string="Restricted Pricelist" groups="base.group_erp_manager">
                        <field name="pricelist_ids" nolabel="1" widget="many2many_tags"/>
                    </group>               
                </group>                
            </field>
        </record>
        
    </data>
</openerp>