factory_reference_stock/factory_ref_stock_view.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>
        <record model="ir.ui.view" id="stock_move_factory_form">
           <field name="name">stock.move.factory_form</field>
           <field name="model">stock.move</field>
           <field name="inherit_id" ref="stock.view_move_picking_form"/>
           <field name="arch" type="xml">
               <field name="product_id" position="after">
                   <field name="factory_ref"/>
               </field>
           </field>
        </record>

        <record model="ir.ui.view" id="st_move_factory_ref">
           <field name="name">st.move.factory.ref</field>
           <field name="model">stock.move</field>
           <field name="inherit_id" ref="stock.view_move_picking_tree"/>
           <field name="arch" type="xml">
               <xpath expr="//field['product_id']" position="after">
                    <field name="factory_ref"/>
               </xpath>
           </field>
       </record>

   </data>
</openerp>